nuclear family
柯林斯词典
1. N-COUNT A nuclear family is a family unit that consists of a father, mother, and children. 核心家庭; 由夫妻两人及子女组成。
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nuclear family (nuclear families)
剑桥词典
- a family consisting of two parents and their children , but not including aunts , uncles , grandparents , etc.
（由父母与子女组成的）核心家庭
比较
extended family 返回 nuclear family